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Rat Reproduction - Anatomy & Physiology (view source)

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* Non-seasonal polyoestrus

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* LH surge (responsible for ovulation) is strongly linked to circadian rhythm and usually occurs in the late afternoon.

* [[Female_Reproductive_Tract_-Oestrous_Cycle_-_Anatomy_%26_Physiology|Oestrus cycle]] 4-5 days.

* Duration of oestrus is ~14 hours.

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== Copulation ==

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